1. On discrete families of recursively enumerable sets

   • V. V. V'yugin

   OriginalPaper Pages: 137 - 144

2. Hereditary sets and tabular reducibility

   • A. N. Degtev

   OriginalPaper Pages: 145 - 152

3. On the representation of partial recursive functions as superpositions

   • V. V. Koz'minykh

   OriginalPaper Pages: 153 - 167

4. Ordered lie algebras

   • V. M. Kopytov

   OriginalPaper Pages: 168 - 185

5. Recursively enumerable many-one degrees

   • A. H. Lachlan

   OriginalPaper Pages: 186 - 202